Debugging, testing & AI code review

Agents ship fast and break things. These tools help review PRs and tests before production. Research date 2026-10-15.

Best for most vibe coders

Greptile

AI code review on pull requests with credit-based review depth.

Starter Free (50 credits/mo, 1 active developer); Pro $30/seat/mo (50 credits/seat; +$1/credit); Enterprise custom. Free for qualified OSS.

Best for Automated PR review for teams shipping with coding agents.

Visit Greptile →

Full ranking

3 tools. Entries marked “pricing unverified” lack a confirmed official price.

#1

GitHub Copilot code review

Verified pricing

Copilot reviews PRs and file diffs; org policies can extend review to unlicensed authors via AI Credits.

Included with Copilot plans; uses GitHub AI Credits for chat/agent/review-style usage (completions unlimited on paid).

Best for Repos already on Copilot who want AI review in GitHub.

Official site →
#2

Greptile

Verified pricing

AI code review on pull requests with credit-based review depth.

Starter Free (50 credits/mo, 1 active developer); Pro $30/seat/mo (50 credits/seat; +$1/credit); Enterprise custom. Free for qualified OSS.

Best for Automated PR review for teams shipping with coding agents.

Official site →
#3

HiTest

Pricing unverified

AI QA agent that tests apps like a real user (directory listing observed).

Pricing unverified. Directory/secondary sources mentioned: UNVERIFIED — TAAFT showed freemium from about $39/mo; confirm on site.

Best for Exploring AI QA for vibe-shipped apps (verify before ranking).

Official site →

FAQ

Straight answers from our verified research (2026-10-15).

What is the best AI code review tool here?

We pick Greptile for dedicated AI review: Starter Free (50 credits/mo, 1 active developer); Pro $30/seat/mo per Greptile pricing.

Does GitHub Copilot include code review?

Yes—Copilot code review is included with Copilot plans and uses GitHub AI Credits for chat/agent/review features per GitHub’s docs.

The Vibe Check

Get “New this week” in your inbox

The Vibe Check, our weekly roundup of new tools for vibe coders, launches soon. Signup opens right here.